[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20251103-rousing-auburn-barracuda-d8491f@kuoka>
Date: Mon, 3 Nov 2025 09:23:29 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Daniel Golle <daniel@...rotopia.org>
Cc: Hauke Mehrtens <hauke@...ke-m.de>, Andrew Lunn <andrew@...n.ch>,
Vladimir Oltean <olteanv@...il.com>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Simon Horman <horms@...nel.org>, Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Andreas Schirm <andreas.schirm@...mens.com>, Lukas Stockmann <lukas.stockmann@...mens.com>,
Alexander Sverdlin <alexander.sverdlin@...mens.com>, Peter Christen <peter.christen@...mens.com>,
Avinash Jayaraman <ajayaraman@...linear.com>, Bing tao Xu <bxu@...linear.com>, Liang Xu <lxu@...linear.com>,
Juraj Povazanec <jpovazanec@...linear.com>, "Fanni (Fang-Yi) Chan" <fchan@...linear.com>,
"Benny (Ying-Tsan) Weng" <yweng@...linear.com>, "Livia M. Rosu" <lrosu@...linear.com>,
John Crispin <john@...ozen.org>
Subject: Re: [PATCH net-next v6 08/12] dt-bindings: net: dsa: lantiq,gswip:
add support for MII delay properties
On Fri, Oct 31, 2025 at 07:22:09PM +0000, Daniel Golle wrote:
> Add support for standard tx-internal-delay-ps and rx-internal-delay-ps
> properties on port nodes to allow fine-tuning of RGMII clock delays.
>
> The GSWIP switch hardware supports delay values in 500 picosecond
> increments from 0 to 3500 picoseconds, with a post-reset default of 2000
> picoseconds for both TX and RX delays. The driver currently sets the
> delay to 0 in case the PHY is setup to carry out the delay by the
> corresponding interface modes ("rgmii-id", "rgmii-rxid", "rgmii-txid").
>
> This corresponds to the driver changes that allow adjusting MII delays
> using Device Tree properties instead of relying solely on the PHY
> interface mode.
>
> Signed-off-by: Daniel Golle <daniel@...rotopia.org>
> ---
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Best regards,
Krzysztof
Powered by blists - more mailing lists